#!/usr/bin/env perl

use 5.012;  # want unicode strings!
use utf8;
use strict;
use autodie;
use warnings;  # defer FATAL till runtime 
use open        qw< :std  :utf8   >;
use charnames   qw< :full >;

use File::Basename      qw< basename >;
use Carp                qw< carp croak confess cluck >;

$0 = basename($0);  # shorter messages
$| = 1; 
binmode(DATA, ":utf8");

# give a full stack dump on any untrapped exceptions
$SIG{__DIE__} = sub {
    confess "Uncaught exception: $@" unless $^S;
};

# now promote run-time warnings into stackdumped exceptions
#   *unless* we're in an try block, in which 
#   case just generate a clucking stackdump instead
$SIG{__WARN__} = sub {
    if ($^S) { cluck   "Trapped warning: @_" } 
    else     { confess "Deadly warning: @_"  }
};